Adjustable over-the-door hooks and racks
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Solution Overview
Problem
Conventional over-the-door hooks are poorly suited for thinner doors, as they are typically designed for thicker doors, leading to a need for an adjustable solution that can accommodate varying door thicknesses without requiring tools or complex adjustments.
Innovation Solution
An adjustable over-the-door hook assembly featuring a support bracket with removable door spacers and a door bumper, allowing for easy adjustment to fit different door thicknesses and types by selectively mounting or removing the spacers on either side of the bracket, and using a door bumper to prevent damage and align the assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional over-the-door hooks are designed for thicker doors, then they provide a secure fit on thick doors, but they provide a poor fit on thinner doors
Solution Approach 1:
The hook assembly is divided into separable components: a support bracket and removable door spacers. The spacers can be detached and reattached at different positions to adjust the overall width of the assembly, allowing it to fit different door thicknesses without requiring a completely different device for each thickness.
Solution Approach 2:
The door spacers are designed to be removable and repositionable rather than fixed permanently. This dynamic configuration allows the user to adjust the spacer position or removal based on the door thickness, transforming a static device into an adaptable one that responds to varying door dimensions.
2Adaptability or versatility
If door spacers are made removable and repositionable, then the hook assembly can fit different door thicknesses, but the installation and adjustment process becomes more complex
Solution Approach 1:
The spacer assembly is segmented into discrete components that can be independently handled. Each spacer has mounting holes that align with corresponding holes in the support bracket, allowing for tool-free removal and reattachment by simply pulling or pressing the components apart and repositioning them.
Solution Approach 2:
The door spacers act as intermediary elements between the support bracket and the door surface. By removing or repositioning these intermediaries, the effective width of the assembly is adjusted to match different door thicknesses, providing a simple mechanical solution that requires no tools or complex mechanisms.
3Adaptability or versatility
If the hook assembly is designed to accommodate varying door thicknesses, then versatility is improved, but the structural complexity increases
Solution Approach 1:
The assembly uses a modular structure where the door spacers are separate from the main support bracket. This segmentation allows the spacers to be added or removed based on the door thickness requirement, providing versatility without permanently increasing the complexity of the core support structure.
Solution Approach 2:
The support bracket is designed with universal mounting features (holes positioned to accommodate multiple spacer configurations) that can work with different spacer arrangements. This universal design allows the same bracket to serve multiple door thickness requirements, reducing the need for multiple specialized brackets.
Data Source
AI summary
Adjustable over-the-door hook assemblies with removable door spacers that accommodate different door thicknesses and different types of doors are disclosed. The door spacer may be selectively mounted on a support bracket, or may be removed from the bracket for use with thicker doors. A door bumper may also be provided on a lower portion of the hook assembly to vertically align the assembly and to prevent damage to the door.